Microscopic revolving map



Jan. 23, 1940. Q l MARKS 2,187,947

MICROSCOPIC REVOLVING MAP Filed Jan. 16, 1939 PatentedJamZZS, 1940 I 2 187 947 i UNITED! STATES PATENT oFFlcE V a L ,187.94: V MICROSCOBIC REVOLVING Mar v I i Charles'AfMarks, Elkliart,"lnd. v, 1 1 Application Januarylfi, 193.9,ESex-ialNo-251.150

'1 Claims. (ems-4c) Itisian object of myhinvention to provid'ea ih&1ff-l. 0f casing and the other stud 6:havinga globe on which a map is mounted :which may be ,bearingin theother half la of casing. (By loosendrawn on a microscopicor very small-scale, and ing'the screws; in theconnections II, the two toprovidemeans for mounting the globe so that halves I and'ia, of the casing may be'separated the globe may be readily, turned into different .andtheglobe and ring 3 removed fromathecas- .93

positions to bring different portions of the map ing.u:-To-remove the globe 2 from ring-3,the globe into the field of view. 2 is held'xfrom'rotation and the button shaft8 It is a further object of myinvention to provide turned to the left which. disconnects the shaft 8 eans'. for-magnifying the portion of the map fr mconne ion'l.

do broughtinto the field of view, so that a relatively Frictionally retained between the two' halvesof small. globe may be used to carry a map that the casingisa magnifying lens 9. To assist in shows great detail or a .very'large territory and holding the lens :9 in proper position 1 awwasher thus adapting the globe for use inmany-places, 2 and'ret'ainin 'c llar m y bs-p vi i "T as on the instrument board of an automobile, collar I3 frictionally eng'ages the outside offthe .on thebelt of a policeman or on the desk in home, p ojecting portionsion the asin addischool and ofiice. tional magnifying means is desired another mag- ,The-globemay be .usedt'o carry .anykind of;a nifying'lens I l-may be added as shown in dotted mapasroad, city, county. State and United States outline in Figure 1. Thelens I4-is=fri'ctionally or any portion thereof and also maps of buildings retained within the retaining collar l5 which .is

an d t t n m of any ki d, adapted to frictionally engage over the projecting go With these and otherobjectsand advantages p on of e Casing after t e Co a 3 is rein view reference is made to the following demoved. scription and accompanying drawing in which: Between the two halves of the casing is a slot Figure 1 is a longitudinal section. Fig. 2 is a is through which the button shaft 8 projects as cross section of casing and elevation of globe. Shown in Figures 5 and In this Slot, the 25 Fig. 3 is an elevation of a ring or swivel collar and shaft 3 may be turned about its w i d a portion of globe mounted therein. Fig. 4 is a shifted bodily in the arc of a circle about the front elevation of model having electric bulb for axis of trunnions 6. Along one side of the slot li htin globe. Fig. 5 is an elevation of model t are notches a t be l sa y engaged y so having windows for lighting globe. Fig. 6 is a spr ng 24 rigidly s u d at ne nd t a u 3a t perspective of model and a supporting standard on ring 3 as shown in Figure 8. By releasing therefor. Fig. 7 is a side elevation of model with sp 24 from'a ch 611 the button shaft 8 spring clip for supporting same. Figs. 8 and 9 may be shifted in the slot [6 to turn the globe are perspective views of details. 2 about the axisof trunnions 6. 1

In the drawing in which like numerals refer to To illuminate the map an electric light bulb l7 3.? the same part numeral l designates one half of having electrical connection I9 is located in the casing connected to the other half la of casing Casing t o e s e and back of the lens 9. The

. by means of lug and screw connections ll. bulb I1 is held in po o in a opening 25 of Mounted within the casing is a globe 2, on which the cas hy a cover plate is Which also acts as o any kind of a map may be shown; in Figure 2 a reflector. The cover plate is is removably conto a portion of the United States is shown. Surnected to the casing by thumb screws lBa. having rounding the globe is a swivel collar or a ring 3 screw threaded connections with abutments I80 which pivotally supports the globe by means of on the casing, a shown n Figure L ok nuts a stud shaft 5 and a button shaft 8. The stud 18 hold the th s r ws aw in p sition.

shaft 5 has a screw threaded connection with a The model may be supported in various ways. 4.5 member 1a secured by shellac or in any other. To support the model on a desk, a standard 2| suitable way to the inside of globe 2, and the aybe d s shown in Figure The standard stud shaft 5 pivots in an opening in ring 3. The 2i is provided with spaced lugs 2Ia' between button shaft 8 pivots in an opening in ring 3 and which a lug Won the casing is pivoted by means has a screw threaded connection to a member of pin 22. 59 1 secured by shellac or other means to the in- In the modification shown in Figure 7, a spring side of the globe 2. Washers 4 space the globe clip 23 is riveted to the casing and is adapted to 2 from ring 3. engage over any convenient member as for in- On opposite sides of ring 3 are trunnionsor stance the belt of a policeman. bearing studs 6, one stud 6 having a bearing in I To operate the model so as to shift any porits tion of the map on globe 2 into position to be viewed through lens 9 it is merely necessary to turn the button on shaft 8 which turns the globe 2 about the axis of button shaft 8 and stud shaft 5, and on release of spring 24 from a notch l6a the shaft 8 may be moved bodily in slot IE to shift the globe 2 about the axis of trunnions 6.

It is apparent that various changes may be made in the details of the construction shown and described without departing from the spirit of the invention or the scope of the appended claims.

I claim:

1. In a device of the class described, a globe for supporting a microscopic map, a casing within which the globe is mounted, a ring surrounding said globe, said ring havingtrunnions on opposite sides, said casing having bearings on opposite sides in which said trunnions are pivotally mounted, said globe having a pivotal connection with said ring, the axis of said pivotal connection being at right angles to the axis of said trunnions,

means on said pivotal connection and extending, outside said casing for turning said globe about both said axes, said casing having an opening for viewing said globe, magnifying means in said opening, and means adjacent said opening for illuminating said globe.

2. In combination, a globe for supporting a map, means for pivotally supporting said globe to rotate about one axis, a second means supporting said first mentioned means to permit said globe to be rotated about a second axis at an angle to the first mentioned axis, so that said globe may be turned into various positions to be readily viewed.

3. In combination, a support, a globe for carrying a miscroscopic map, means for pivotally mounting said globe on said support, magnifying means adjacent said globe for viewing said map, said magnifying means being mounted on said support.

4. In combination, a globe for supporting a map, a casing, means for pivotally mounting said globe in said casing, an opening in said casing for viewing said map, means for illuminating said map adjacent said opening.

5. In combination, a globe forsupporting a map, a casing, means for pivotally mounting said globe in said casing, means projecting exterior to said casing for rotating said globe, said casing having an opening for viewing the map on said globe.

6. In combination, a globe for supporting a map, a casing, means for pivotally supporting said globe in said casing, means projecting exterior to said casing for rotating said globe, said casing having an opening for viewing said map and means on the exterior of said casing for carrying said casing.

7. In combination, a casing, a globe for carrying a map, a ring surrounding said globe, a pivotal connection between said globe and said ring, a second pivotal connection between said ring and said casing, the axes of said pivotal connections being at right angles to each other, said casing having a slot with recesses along one edge, means including a shaft for turning said globe about both said axes, said shaft extending through said slot, a spring secured to said ring for releasably engaging one of said recesses to holdv the globe from rotation about the axis of thesecond mentioned pivotal connection, said casing having an opening for viewing a map on said globe, and magnifying means in said opening.

CHARLES A. MARKS. 

